The CMB192198CS from 3Rwave is a RF & Microwave Circulator with Frequency 1920 to 1980 MHz, Average Power Forward 100 W, Insertion Loss 0.25 to 0.3 dB, Isolation 21 to 25 dB, Return Loss 21 to 25 dB. Tags: Surface Mount Circulator. More details for CMB192198CS can be seen below.